| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/basictypes.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "mojo/application/application_runner_chromium.h" |
| #include "mojo/common/common_type_converters.h" |
| #include "mojo/examples/window_manager/window_manager.mojom.h" |
| #include "mojo/public/c/system/main.h" |
| #include "mojo/public/cpp/application/application_connection.h" |
| #include "mojo/public/cpp/application/application_delegate.h" |
| #include "mojo/public/cpp/application/application_impl.h" |
| #include "mojo/public/cpp/application/connect.h" |
| #include "mojo/services/public/cpp/geometry/geometry_type_converters.h" |
| #include "mojo/services/public/cpp/view_manager/view.h" |
| #include "mojo/services/public/cpp/view_manager/view_manager.h" |
| #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h" |
| #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h" |
| #include "mojo/services/public/interfaces/navigation/navigation.mojom.h" |
| #include "mojo/views/native_widget_view_manager.h" |
| #include "mojo/views/views_init.h" |
| #include "ui/aura/client/focus_client.h" |
| #include "ui/aura/window.h" |
| #include "ui/events/event.h" |
| #include "ui/views/background.h" |
| #include "ui/views/controls/textfield/textfield.h" |
| #include "ui/views/controls/textfield/textfield_controller.h" |
| #include "ui/views/focus/focus_manager.h" |
| #include "ui/views/layout/layout_manager.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/widget/widget_delegate.h" |
| #include "ui/views/widget/widget_observer.h" |
| #include "url/gurl.h" |
| |
| namespace mojo { |
| namespace examples { |
| |
| class BrowserLayoutManager : public views::LayoutManager { |
| public: |
| BrowserLayoutManager() {} |
| virtual ~BrowserLayoutManager() {} |
| |
| private: |
| // Overridden from views::LayoutManager: |
| virtual void Layout(views::View* host) OVERRIDE { |
| // Browser view has one child, a text input field. |
| DCHECK_EQ(1, host->child_count()); |
| views::View* text_field = host->child_at(0); |
| gfx::Size ps = text_field->GetPreferredSize(); |
| text_field->SetBoundsRect(gfx::Rect(host->width(), ps.height())); |
| } |
| virtual gfx::Size GetPreferredSize(const views::View* host) const OVERRIDE { |
| return gfx::Size(); |
| } |
| |
| DISALLOW_COPY_AND_ASSIGN(BrowserLayoutManager); |
| }; |
| |
| // KeyboardManager handles notifying the windowmanager when views are focused. |
| // To use create one and KeyboardManager will take care of all other details. |
| // |
| // TODO(sky): it would be nice if this were put in NativeWidgetViewManager, but |
| // that requires NativeWidgetViewManager to take an IWindowManager. That may be |
| // desirable anyway... |
| class KeyboardManager |
| : public views::FocusChangeListener, |
| public ui::EventHandler, |
| public views::WidgetObserver { |
| public: |
| KeyboardManager(views::Widget* widget, |
| IWindowManager* window_manager, |
| View* view) |
| : widget_(widget), |
| window_manager_(window_manager), |
| view_(view), |
| last_view_id_(0), |
| focused_view_(NULL) { |
| widget_->GetFocusManager()->AddFocusChangeListener(this); |
| widget_->AddObserver(this); |
| widget_->GetNativeView()->AddPostTargetHandler(this); |
| } |
| |
| private: |
| virtual ~KeyboardManager() { |
| widget_->GetFocusManager()->RemoveFocusChangeListener(this); |
| widget_->GetNativeView()->RemovePostTargetHandler(this); |
| widget_->RemoveObserver(this); |
| |
| HideKeyboard(); |
| } |
| |
| void ShowKeyboard(views::View* view) { |
| if (focused_view_ == view) |
| return; |
| |
| const gfx::Rect bounds_in_widget = |
| view->ConvertRectToWidget(gfx::Rect(view->bounds().size())); |
| last_view_id_ = view_->id(); |
| window_manager_->ShowKeyboard(last_view_id_, |
| Rect::From(bounds_in_widget)); |
| // TODO(sky): listen for view to be removed. |
| focused_view_ = view; |
| } |
| |
| void HideKeyboard() { |
| if (!focused_view_) |
| return; |
| |
| window_manager_->HideKeyboard(last_view_id_); |
| last_view_id_ = 0; |
| focused_view_ = NULL; |
| } |
| |
| // views::FocusChangeListener: |
| virtual void OnWillChangeFocus(views::View* focused_before, |
| views::View* focused_now) OVERRIDE { |
| } |
| virtual void OnDidChangeFocus(views::View* focused_before, |
| views::View* focused_now) OVERRIDE { |
| if (focused_view_ && focused_now != focused_view_) |
| HideKeyboard(); |
| } |
| |
| // ui::EventHandler: |
| virtual void OnMouseEvent(ui::MouseEvent* event) OVERRIDE { |
| views::View* focused_now = widget_->GetFocusManager()->GetFocusedView(); |
| if (focused_now && |
| focused_now->GetClassName() == views::Textfield::kViewClassName && |
| (event->flags() & ui::EF_FROM_TOUCH) != 0) { |
| ShowKeyboard(focused_now); |
| } |
| } |
| |
| // views::WidgetObserver: |
| virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE { |
| delete this; |
| } |
| |
| views::Widget* widget_; |
| IWindowManager* window_manager_; |
| View* view_; |
| Id last_view_id_; |
| views::View* focused_view_; |
| |
| DISALLOW_COPY_AND_ASSIGN(KeyboardManager); |
| }; |
| |
| // This is the basics of creating a views widget with a textfield. |
| // TODO: cleanup! |
| class Browser : public ApplicationDelegate, |
| public ViewManagerDelegate, |
| public views::TextfieldController, |
| public ViewObserver { |
| public: |
| Browser() |
| : view_manager_(NULL), |
| root_(NULL), |
| widget_(NULL) {} |
| |
| virtual ~Browser() { |
| if (root_) |
| root_->RemoveObserver(this); |
| } |
| |
| private: |
| // Overridden from ApplicationDelegate: |
| virtual void Initialize(ApplicationImpl* app) MOJO_OVERRIDE { |
| view_manager_client_factory_.reset( |
| new ViewManagerClientFactory(app->shell(), this)); |
| views_init_.reset(new ViewsInit); |
| app->ConnectToService("mojo:mojo_window_manager", &window_manager_); |
| } |
| |
| virtual bool ConfigureIncomingConnection(ApplicationConnection* connection) |
| MOJO_OVERRIDE { |
| connection->AddService(view_manager_client_factory_.get()); |
| return true; |
| } |
| |
| void CreateWidget(View* view) { |
| views::Textfield* textfield = new views::Textfield; |
| textfield->set_controller(this); |
| |
| views::WidgetDelegateView* widget_delegate = new views::WidgetDelegateView; |
| widget_delegate->GetContentsView()->set_background( |
| views::Background::CreateSolidBackground(SK_ColorBLUE)); |
| widget_delegate->GetContentsView()->AddChildView(textfield); |
| widget_delegate->GetContentsView()->SetLayoutManager( |
| new BrowserLayoutManager); |
| |
| widget_ = new views::Widget; |
| views::Widget::InitParams params( |
| views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); |
| params.native_widget = new NativeWidgetViewManager(widget_, view); |
| params.delegate = widget_delegate; |
| params.bounds = gfx::Rect(view->bounds().width(), view->bounds().height()); |
| widget_->Init(params); |
| // KeyboardManager handles deleting itself when the widget is destroyed. |
| new KeyboardManager(widget_, window_manager_.get(), view); |
| widget_->Show(); |
| textfield->RequestFocus(); |
| } |
| |
| // ViewManagerDelegate: |
| virtual void OnEmbed(ViewManager* view_manager, |
| View* root, |
| ServiceProviderImpl* exported_services, |
| scoped_ptr<ServiceProvider> imported_services) OVERRIDE { |
| // TODO: deal with OnEmbed() being invoked multiple times. |
| ConnectToService(imported_services.get(), &navigator_host_); |
| view_manager_ = view_manager; |
| root_ = root; |
| root_->AddObserver(this); |
| root_->SetFocus(); |
| CreateWidget(root_); |
| } |
| virtual void OnViewManagerDisconnected( |
| ViewManager* view_manager) OVERRIDE { |
| DCHECK_EQ(view_manager_, view_manager); |
| view_manager_ = NULL; |
| base::MessageLoop::current()->Quit(); |
| } |
| |
| // views::TextfieldController: |
| virtual bool HandleKeyEvent(views::Textfield* sender, |
| const ui::KeyEvent& key_event) OVERRIDE { |
| if (key_event.key_code() == ui::VKEY_RETURN) { |
| GURL url(sender->text()); |
| printf("User entered this URL: %s\n", url.spec().c_str()); |
| URLRequestPtr request(URLRequest::New()); |
| request->url = String::From(url); |
| navigator_host_->RequestNavigate(TARGET_NEW_NODE, request.Pass()); |
| } |
| return false; |
| } |
| |
| // ViewObserver: |
| virtual void OnViewFocusChanged(View* gained_focus, |
| View* lost_focus) OVERRIDE { |
| aura::client::FocusClient* focus_client = |
| aura::client::GetFocusClient(widget_->GetNativeView()); |
| if (lost_focus == root_) |
| focus_client->FocusWindow(NULL); |
| else if (gained_focus == root_) |
| focus_client->FocusWindow(widget_->GetNativeView()); |
| } |
| virtual void OnViewDestroyed(View* view) OVERRIDE { |
| DCHECK_EQ(root_, view); |
| view->RemoveObserver(this); |
| root_ = NULL; |
| } |
| |
| scoped_ptr<ViewsInit> views_init_; |
| |
| ViewManager* view_manager_; |
| scoped_ptr<ViewManagerClientFactory> view_manager_client_factory_; |
| View* root_; |
| views::Widget* widget_; |
| NavigatorHostPtr navigator_host_; |
| IWindowManagerPtr window_manager_; |
| |
| DISALLOW_COPY_AND_ASSIGN(Browser); |
| }; |
| |
| } // namespace examples |
| } // namespace mojo |
| |
| MojoResult MojoMain(MojoHandle shell_handle) { |
| mojo::ApplicationRunnerChromium runner(new mojo::examples::Browser); |
| return runner.Run(shell_handle); |
| } |